alex8224 edited a comment on issue #5706:
URL: https://github.com/apache/apisix/issues/5706#issuecomment-988023902
@tzssangglass
**If so, that's pretty good**
Generally use the
127.0.0.1:8848/nacos/v1/ns/instance/list?serviceName=xxx&namespaceId=dev
interface to get all service instances under a namespaceId, The output of the
interface call is as follows
```json
{
"allIPs":false,
"cacheMillis":10000,
"checksum":"",
"clusters":"",
"groupName":"DEFAULT_GROUP",
"hosts":[
{
"clusterName":"DEFAULT",
"enabled":true,
"ephemeral":true,
"healthy":true,
"instanceHeartBeatInterval":5000,
"instanceHeartBeatTimeOut":15000,
"instanceId":"192.26.0.7#9088#DEFAULT#DEFAULT_GROUP@@xxx",
"ip":"192.26.0.7",
"ipDeleteTimeout":30000,
"metadata":{
"app.name":"xxx",
"preserved.register.source":"SPRING_CLOUD",
"startup.time":"1638849194096",
"dept":"HR"
},
"port":9088,
"serviceName":"DEFAULT_GROUP@@xxx",
"weight":1.0
},
{
"clusterName":"DEFAULT",
"enabled":true,
"ephemeral":true,
"healthy":true,
"instanceHeartBeatInterval":5000,
"instanceHeartBeatTimeOut":15000,
"instanceId":"192.26.0.6#9088#DEFAULT#DEFAULT_GROUP@@xxx",
"ip":"192.26.0.6",
"ipDeleteTimeout":30000,
"metadata":{
"app.name":"xxx",
"preserved.register.source":"SPRING_CLOUD",
"startup.time":"1638849194096",
"dept":"IT"
},
"port":9088,
"serviceName":"DEFAULT_GROUP@@xxx",
"weight":1.0
},
{
"clusterName":"DEFAULT",
"enabled":true,
"ephemeral":true,
"healthy":true,
"instanceHeartBeatInterval":5000,
"instanceHeartBeatTimeOut":15000,
"instanceId":"192.26.0.9#9088#DEFAULT#DEFAULT_GROUP@@xxx",
"ip":"192.26.0.9",
"ipDeleteTimeout":30000,
"metadata":{
"app.name":"xxx",
"preserved.register.source":"SPRING_CLOUD",
"startup.time":"1638849194096",
"dept":"HRP"
},
"port":9088,
"serviceName":"DEFAULT_GROUP@@xxx",
"weight":1.0
}
],
"lastRefTime":1638890095796,
"name":"DEFAULT_GROUP@@bcs-server",
"reachProtectionThreshold":false,
"valid":true
}```
There are several scenarios as follows
route url = /xxx/*
When the client requests /xxx/*
When header ["X-Real-Ip"] between ["192.168.1-192.168.1.10"], the request is
routed to the instance node with metadata field dept == HR, in this case node
192.26.0.7
Other requests that do not match are routed to nodes that do not match, in
this case to 192.26.0.6 and 192.26.0.9
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